19
www.climacoolcorp.com
Water Piping
Figure 10 - Direct Return
No. 25 Grooved Branch
6 x 6 x 2
No. 29 Reducing Tee
w/Thd. Branch
6 x 6 x 2
END VIEW
Hose Kit
2" Belimo
Ball Valve &
Actuator
2"
Grooved
Coupling
No. 25 Grooved Branch
6 x 6 x 2
Module
Header
6"
Gro
ove
d
Couplin
g
No. 29 Reducing Tee
w/Thd. Branch
6 x 6 x 2
Module
Header
6"
Gro
ove
d
Couplin
g
SIDE VIEW
2" Belimo
Ball Valve &
Actuator
Hose Kit
2"
Grooved
Coupling
Figure 11 - Reverse Return
No.10
2" 90°
No.50
Reducer
6 x 2
Module
Header
No. 29 Reducing Tee
w/Thd. Branch
6 x 6 x 2
Module
Header
SIDE VIEW
6"
Gro
ove
d
Couplin
g
6"
Gro
ove
d
Couplin
g
2"
Gr
oove
d
Cou
plin
g
Hose Kit
2"
Grooved
Coupling
2" Belimo
Ball Valve &
Actuator
No. 29 Reducing Tee
w/Thd. Branch
6 x 6 x 2
END VIEW
No.10
2" 90°
Elbow
No.50 Reducer
6 x 2
Hose Kit
2" Belimo
Ball Valve &
Actuator
2"
Grooved
Coupling
This bypass can also be created with field supplied piping.
The design piping must accommodate one module’s
worth of design flow, and be positioned so that the
temperature and differential flow sensors sense active
flow in the bypass mode (see Figures 13 and 14 on page
20 - Water Piping Configuration).
The field supplied piped
chiller system bypass must be controlled by others.
There
are system communication delays, polling and network
conflicts that strictly prohibit the use of ClimaCool sensors
and controls for control of field supplied bypasses or
other field supplied items. The recommended method is to
control via differential pressure or gpm flow meters across
the chilled water system .
Load Side System Bypass
(Air Handlers, Fan Coils, etc.)
A load system bypass is required for preventing pump
deadheading, allowing active flow system sensing and
preventing starving flow from the chiller system. Examples
of an acceptable load side system bypass are:
•
Utilize a quantity of 3-way control valves on the largest
loads farthest from the chiller/heater system .
•
Field piping with a control valve to provide a bypass
across the larger system loads when their 2-way valves
go closed .
Please refer to Figure 11 for a typical load bypass valve
arrangement . The load side system bypass should be sized
for an absolute minimum of one module’s worth of design
flow. (Please refer to selection submittals for design flow
rates) . A minimum of (6) six gallons per nominal system ton
are also required to maintain proper system thermal inertia .
This is to avoid short cycling of compressors in the chiller
system as well as prevent nuisance alarms .
Figure 12 - Typical Load Bypass Valve Arrangement
LOAD 1
FROM CHILLER BANK
TYPICAL LOAD BYPASS VALVE ARRANGEMENT
TO CHILLER BANK
LOAD 2
LOAD 3
LOAD X
TYPICAL CHILLED AND HOT WATER
LOAD SIDE BYPASS VALVES
SIZE EQUIVALENT TO
MINIMUM BANK FLOW
TYPICAL CHILLED AND HOT WATER
LOAD SIDE BYPASS VALVES
SIZE EQUIVALENT TO
MINIMUM BANK FLOW
Summary of Contents for CLIMACOOL UCR 30
Page 19: ...17 www climacoolcorp com Voltage Phase Monitor Wiring Diagram...
Page 29: ...27 www climacoolcorp com Evaporator Water Pressure Drop Charts...
Page 30: ...28 www climacoolcorp com Glycol Performance Adjustments Factor Charts...
Page 78: ...76 www climacoolcorp com Wiring Diagram...
Page 79: ...77 www climacoolcorp com Wiring Diagram...
Page 80: ...78 www climacoolcorp com Wiring Diagram CoolLogic Control Panel...
Page 81: ...79 www climacoolcorp com Wiring Diagram CoolLogic Control Panel...
